Elena Rybakina beat Daria Kasatkina 6-3, 5-7, 6-4 at Toronto, recovering after losing the second set to close out the decider. The serve did the essential damage: 15 aces, 72% of first-serve points won, and the only break of the final set.
Rybakina struck first in the opener, breaking in game 2 and closing it out 6-3. Kasatkina hit back in a rollercoaster second set, trading breaks in games 1 and 2 and again in games 6 and 7 before breaking in game 12 to level at 7-5. The deciding set turned on Rybakina's break in game 3, and she held on for 6-4.
The match's defining number was the ace count: 15 for Rybakina against 3 for Kasatkina. It wasn't clean — Rybakina finished with 16 double faults — but she saved 70% of break points faced and converted the lone break of the deciding set.